nameOccName,
decode, mkLocalName, mkKnownKeyGlobal
)
-import Name ( NameEnv, lookupNameEnv, emptyNameEnv, unitNameEnv, extendNameEnvList )
+import NameEnv ( NameEnv, lookupNameEnv, emptyNameEnv, extendNameEnvList )
import Module ( Module, ModuleName, ModuleSet, emptyModuleSet )
import NameSet
import CmdLineOpts ( DynFlags, DynFlag(..), dopt )
iSlurp :: NameSet,
-- All the names (whether "big" or "small", whether wired-in or not,
-- whether locally defined or not) that have been slurped in so far.
+ --
+ -- It's used for two things:
+ -- a) To record what we've already slurped, so
+ -- we can no-op if we try to slurp it again
+ -- b) As the 'gates' for importing rules. We import a rule
+ -- if all its LHS free vars have been slurped
iVSlurp :: (ModuleSet, NameSet)
-- The Names are all the (a) non-wired-in